Module: MultipartUploadUtils

Included in:
FilestackClient
Defined in:
lib/filestack/utils/multipart_upload_utils.rb

Overview

Includes all the utility functions for Filestack multipart uploads

Instance Method Summary collapse

Instance Method Details

#create_upload_jobs(apikey, filename, filepath, filesize, start_response, options) ⇒ Array

Create array of jobs for parallel uploading

Parameters:

  • apikey (String) —

    Filestack API key

  • filename (String) —

    Name of incoming file

  • filepath (String) —

    Local path to file

  • filesize (Int) —

    Size of incoming file

  • start_response (Typhoeus::Response) —

    Response body from multipart_start

  • options (Hash) —

    User-defined options for multipart uploads

Returns:

  • (Array) 


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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 79

def create_upload_jobs(apikey, filename, filepath, filesize, start_response, options)
  jobs = []
  part = 1
  seek_point = 0
  while seek_point < filesize
    part_info = {
      seek: seek_point,
      filepath: filepath,
      filename: filename,
      apikey: apikey,
      part: part,
      filesize: filesize,
      uri: start_response['uri'],
      region: start_response['region'],
      upload_id: start_response['upload_id'],
      location_url: start_response['location_url'],
      start_response: start_response,
      options: options,
      store_location: options.nil? ? 's3' : options[:store_location]
    }
    if seek_point + FilestackConfig::DEFAULT_CHUNK_SIZE > filesize
      size = filesize - (seek_point)
    else
      size = FilestackConfig::DEFAULT_CHUNK_SIZE
    end
    part_info[:size] = size
    jobs.push(part_info)
    part += 1
    seek_point += FilestackConfig::DEFAULT_CHUNK_SIZE
  end
  jobs
end

#get_file_info(file) ⇒ Object 



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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 16

def get_file_info(file)
  filename = File.basename(file)
  filesize = File.size(file)
  mimetype = MiniMime.lookup_by_filename(File.open(file)).content_type
  if mimetype.nil?
    mimetype = 'application/octet-stream'
  end
  [filename, filesize, mimetype.to_s]
end

#multipart_complete(apikey, filename, filesize, mimetype, start_response, parts_and_etags, options, intelligent = false) ⇒ Typhoeus::Response

Send complete call to multipart endpoint

Parameters:

  • apikey (String) —

    Filestack API key

  • filename (String) —

    Name of incoming file

  • filesize (Int) —

    Size of incoming file

  • mimetype (String) —

    Mimetype of incoming file

  • start_response (Typhoeus::Response) —

    Response body from multipart_start

  • security (FilestackSecurity) —

    Security object with policy/signature

  • parts_and_etags (Array) —

    Array of strings defining etags and their associated part numbers

  • options (Hash) —

    User-defined options for multipart uploads

Returns:

  • (Typhoeus::Response) 


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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 193

def multipart_complete(apikey, filename, filesize, mimetype, start_response, parts_and_etags, options, intelligent = false)
  if !intelligent
    data = {
      apikey: apikey,
      uri: start_response['uri'],
      region: start_response['region'],
      upload_id: start_response['upload_id'],
      filename: filename,
      size: filesize,
      mimetype: mimetype,
      parts: parts_and_etags.join(';'),
      store_location: options.nil? ? 's3' : options[:store_location],
      file: Tempfile.new(filename)
    }
  else
    data = {
      apikey: apikey,
      uri: start_response['uri'],
      region: start_response['region'],
      upload_id: start_response['upload_id'],
      filename: filename,
      size: filesize,
      mimetype: mimetype,
      store_location: options.nil? ? 's3' : options[:store_location],
      file: Tempfile.new(filename),
      'multipart' => 'true'
    }
  end
  data = data.merge!(options) if options

  Typhoeus.post(
    FilestackConfig::MULTIPART_COMPLETE_URL, parameters: data,
                                             headers: FilestackConfig::HEADERS
  )
end

#multipart_start(apikey, filename, filesize, mimetype, security, options) ⇒ Typhoeus::Response

Send start response to multipart endpoint

Parameters:

  • apikey (String) —

    Filestack API key

  • filename (String) —

    Name of incoming file

  • filesize (Int) —

    Size of incoming file

  • mimetype (String) —

    Mimetype of incoming file

  • security (FilestackSecurity) —

    Security object with policy/signature

  • options (Hash) —

    User-defined options for multipart uploads

Returns:

  • (Typhoeus::Response) 


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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 38

def multipart_start(apikey, filename, filesize, mimetype, security, options)
  params = {
    apikey: apikey,
    filename: filename,
    mimetype: mimetype,
    size: filesize,
    store_location: options.nil? ? 's3' : options[:store_location],
    file: Tempfile.new(filename),
    options: options,
    'multipart' => 'true'
  }
  params = params.merge!(options) if options

  unless security.nil?
    params[:policy] = security.policy
    params[:signature] = security.signature
  end

  response = Typhoeus.post(
    FilestackConfig::MULTIPART_START_URL, parameters: params,
                                          headers: FilestackConfig::HEADERS
  )
  if response.code == 200
    response.body
  else
    raise RuntimeError.new(response.body)
  end
end

#multipart_upload(apikey, filepath, security, options, timeout, intelligent: false) ⇒ Typhoeus::Response

Run entire multipart process through with file and options

Parameters:

  • apikey (String) —

    Filestack API key

  • filename (String) —

    Name of incoming file

  • security (FilestackSecurity) —

    Security object with policy/signature

  • options (Hash) —

    User-defined options for multipart uploads

Returns:

  • (Typhoeus::Response) 


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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 239

def multipart_upload(apikey, filepath, security, options, timeout, intelligent: false)
  filename, filesize, mimetype = get_file_info(filepath)
  start_response = multipart_start(
    apikey, filename, filesize, mimetype, security, options
  )
  unless start_response['upload_type'].nil?
    intelligent_enabled = ((start_response['upload_type'].include? 'intelligent_ingestion')) && intelligent
  end
  jobs = create_upload_jobs(
    apikey, filename, filepath, filesize, start_response, options
  )
  if intelligent_enabled
    state = IntelligentState.new
    run_intelligent_upload_flow(jobs, state)
    response_complete = multipart_complete(
      apikey, filename, filesize, mimetype,
      start_response, nil, options, intelligent
    )
  else
    parts_and_etags = run_uploads(jobs, apikey, filepath, options)
    response_complete = multipart_complete(
      apikey, filename, filesize, mimetype,
      start_response, parts_and_etags, options
    )
  end
  begin
    Timeout::timeout(timeout){
      while response_complete.code == 202
        response_complete = multipart_complete(
          apikey, filename, filesize, mimetype,
          start_response, nil, options, intelligent
        )
      end
    }
  rescue
    raise "Upload timed out upon completion. Please try again later"
  end
  response_complete.body
end

#run_uploads(jobs, apikey, filepath, options) ⇒ Array

Runs all jobs in parallel

Parameters:

  • jobs (Array) —

    Array of jobs to be run

  • apikey (String) —

    Filestack API key

  • filepath (String) —

    Local path to file

  • options (Hash) —

    User-defined options for multipart uploads

Returns:

  • (Array) —

    Array of parts/etags strings



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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 161

def run_uploads(jobs, apikey, filepath, options)
  bar = ProgressBar.new(jobs.length)
  results = Parallel.map(jobs, in_threads: 4) do |job|
    response = upload_chunk(
      job, apikey, filepath, options
    )
    if response.code == 200
      bar.increment!
      part = job[:part]
      etag = response.headers[:etag]
      "#{part}:#{etag}"
    end
  end
  results
end

#upload_chunk(job, apikey, filepath, options) ⇒ Typhoeus::Response

Uploads one chunk of the file

Parameters:

  • job (Hash) —

    Hash of options needed to upload a chunk

  • apikey (String) —

    Filestack API key

  • location_url (String) —

    Location url given back from endpoint

  • filepath (String) —

    Local path to file

  • options (Hash) —

    User-defined options for multipart uploads

Returns:

  • (Typhoeus::Response) 


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# File 'lib/filestack/utils/multipart_upload_utils.rb', line 125

def upload_chunk(job, apikey, filepath, options)
  file = File.open(filepath)
  file.seek(job[:seek])
  chunk = file.read(FilestackConfig::DEFAULT_CHUNK_SIZE)

  md5 = Digest::MD5.new
  md5 << chunk
  data = {
    apikey: apikey,
    part: job[:part],
    size: chunk.length,
    md5: md5.base64digest,
    uri: job[:uri],
    region: job[:region],
    upload_id: job[:upload_id],
    store_location: job[:store_location],
    file: Tempfile.new(job[:filename])
  }
  data = data.merge!(options) if options
  fs_response = Typhoeus.post(
    FilestackConfig::MULTIPART_UPLOAD_URL, parameters: data,
                                           headers: FilestackConfig::HEADERS
  ).body
  Typhoeus.put(
    fs_response['url'], headers: fs_response['headers'], parameters: chunk
  )
end